📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      If the 4-digit number x67y is exactly divisible by 9,

      then the least value of (x + y) is _____.
      A 3 Correct Answer Incorrect Answer
      B 5 Correct Answer Incorrect Answer
      C 9 Correct Answer Incorrect Answer

      Solution

      x67y is exactly divisible by 9 The sum of its digits must be divisible by 9 x + 6 + 7 + y = x + y + 13 is divisible by 9 Minimum value x + y must be equal to 5 because then the sum will be 18 and it is divisible by 9. ∴ The least value of (x + y) is 5.

      Practice Next

      Relevant for Exams:

      ask-question